Sharks of all kinds — even great white sharks — are often closer than we think, swimming right alongside humans near the coastline!

Sea otters have powerful teeth and even more powerful bites – an estimated 615 pounds of force. That’s about as much as a ...

For the first time ever, scientists have recorded a species of shark actively producing a sound. And it's not what you'd ...

Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...